Seiko Cal. 5688 - 191

This Hand-Winding model from 1971 features a 39mm Two-Tone case. It features a White dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-70d23fff5aab]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1971

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