Seiko Cal. 3877 - 512

This Spring Drive model from 1998 features a 45mm Hardlex-Coated Steel case. Powered by the 3877 caliber with 30j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-b25544a957a4]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1998

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