Seiko Cal. 6685 - 304

This Spring Drive model from 1975 features a 34mm Stainless Steel case. With its 20mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-04fde6513ec0]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1975

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