Seiko Cal. 5610 - 304

The 5610-304 is a sought-after Solar piece from Seiko's golden era. Powered by the 5610 caliber with 28j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-9b96b9fa6320]

Also known as: Sumo, Arnie

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1974

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