Seiko Cal. 5691 - 694

This Automatic model from 1966 features a 44mm Two-Tone case. It features a Black dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-907aa19c8761]

Also known as: World Timer, Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1966

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