Seiko Cal. 5610 - 279

This Spring Drive model from 1980 features a 41mm Gold-Plated case. Powered by the 5610 caliber with 17j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-485d4a6c9d88]

Also known as: Sumo, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1980

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