Seiko Cal. 5281 - 739

The 5281-739 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5281 caliber with 35j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-e85f05e8b8f2]

Also known as: Sumo, Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1966

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