Seiko Cal. 6143 - 231

Released in 1992, the Cal. 6143 with design code 231 was part of Seiko's domestic market collection. Powered by the 6143 caliber with 24j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-37afe64dcd2f]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1992

Related Models

• Seiko 6325-184
• Seiko 4464-372
• Seiko 7040-216
• Seiko 7188-754
• Seiko 4543-223
• Seiko 5661-862
• Seiko 6694-972
• Seiko 6228-436
• Seiko 5698-280
• Seiko 5629-754
• Seiko 6238-307
• Seiko 7129-430