Seiko Cal. 6310 - 768

This Quartz model from 1971 features a 45mm Hardlex-Coated Steel case. It features a Green dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-de1ca2b20ccd]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1971

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