Seiko Cal. 4437 - 105

This Spring Drive model from 1994 features a 43mm Two-Tone case. Powered by the 4437 caliber with 36j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-8a9e77c3305b]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1994

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