Seiko Cal. 5677 - 921

This Solar model from 1970 features a 42mm Hardlex-Coated Steel case. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-1bf0bac72aed]

Also known as: Sumo, Arnie

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1970

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