Seiko Cal. 5663 - 686

This Automatic model from 1970 features a 38mm Titanium case. It features a Black dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-7270ce30c029]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1970

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