Seiko Cal. 6616 - 295

This Hand-Winding model from 1972 features a 35mm Hardlex-Coated Steel case. With its 21mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-534be8aece9d]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1972

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