Seiko Cal. 6316 - 630

This Solar model from 1971 features a 40mm Hardlex-Coated Steel case. With its 20mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-0f399b2ff1c8]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1971

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