Seiko Cal. 6689 - 988

This Hand-Winding model from 1971 features a 36mm Two-Tone case. It features a Silver dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-e94a3318e603]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1971

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