Seiko Cal. 6387 - 641

This Spring Drive model from 1985 features a 43mm Two-Tone case. It features a Green dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-795cf4965416]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1985

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