Seiko Cal. 6642 - 624

This Solar model from 1969 features a 41mm Stainless Steel case. It features a Navy dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-e913e7f9bff3]

Also known as: Monster, Bullhead

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1969

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