Seiko Cal. 5691 - 909

This Automatic model from 1970 features a 35mm Titanium case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-e4d67c2bdb07]

Also known as: World Timer, Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1970

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