Seiko Cal. 5680 - 745

This Hand-Winding model from 1967 features a 37mm Titanium case. It features a Cream dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-0e1277eab5a0]

Also known as: Tuna, Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1967

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