Seiko Cal. 4437 - 108

This Solar model from 1991 features a 40mm Two-Tone case. Powered by the 4437 caliber with 20j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-21c99b3912d4]

Also known as: Sea Horse, Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1991

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