Seiko Cal. 6670 - 637

This Hand-Winding model from 1983 features a 44mm Titanium case. It features a Navy dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-1f867e7a02e8]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1983

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