Seiko Cal. 6131 - 238

The Seiko 6131-238 represents an important milestone in Seiko's 1999 lineup. Powered by the 6131 caliber with 28j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-c1ba70d43682]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1999

Related Models

• Seiko 3889-690
• Seiko 0717-832
• Seiko 6182-591
• Seiko 6322-576
• Seiko 5698-167
• Seiko 6387-472
• Seiko 0725-761
• Seiko 5687-980
• Seiko 5671-495
• Seiko 5653-474
• Seiko 6141-193
• Seiko 4571-767