Seiko Cal. 6692 - 646

This Hand-Winding model from 1967 features a 40mm Hardlex-Coated Steel case. It features a Cream dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-e13193989710]

Also known as: Tuna, Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1967

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