Seiko Cal. 6690 - 786

This Automatic model from 1977 features a 36mm PVD Black case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-4b4c4bb56f6d]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1977

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