Seiko Cal. 6181 - 424

This Spring Drive model from 1990 features a 46mm Hardlex-Coated Steel case. Powered by the 6181 caliber with 24j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-99355540bd36]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1990

Related Models

• Seiko 5683-577
• Seiko 4489-846
• Seiko 6254-669
• Seiko 4416-582
• Seiko 6164-760
• Seiko 4410-881
• Seiko 5616-412
• Seiko 4460-598
• Seiko 5611-945
• Seiko 6258-874
• Seiko 7130-815
• Seiko 6675-815