Seiko Cal. 5645 - 308

This Solar model from 1970 features a 45mm Hardlex-Coated Steel case. Powered by the 5645 caliber with 21j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-8dfa00331c70]

Also known as: Sumo, Shogun

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1970

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