Seiko Cal. 5641 - 146

This Automatic model from 1975 features a 41mm Gold-Plated case. Powered by the 5641 caliber with 27j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-5f65480be5f5]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1975

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