Seiko Cal. 4437 - 187

This Spring Drive model from 1989 features a 42mm Titanium case. It features a White dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-16024b12a1e7]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1989

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