Seiko Cal. 6621 - 893

This Solar model from 1975 features a 37mm Gold-Plated case. With its 18mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-d0682eaa2f09]

Also known as: Sumo, Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1975

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