Seiko Cal. 6689 - 140

This Spring Drive model from 1983 features a 46mm Titanium case. It features a White dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-137a3f6bfa23]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1983

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