Seiko Cal. 5615 - 713

This Spring Drive model from 1977 features a 37mm Titanium case. It features a Cream dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-cfeddccb1ba6]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1977

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