Seiko Cal. 6645 - 140

This Automatic model from 1982 features a 40mm Titanium case. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-8fc98cd3b31b]

Also known as: Tuna, World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1982

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