Seiko Cal. 7185 - 735

This Spring Drive model from 1977 features a 41mm Stainless Steel case. Powered by the 7185 caliber with 17j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-a49f19fb61c7]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1977

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