Seiko Cal. 5645 - 358

This Solar model from 1972 features a 40mm Stainless Steel case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-203de3b452bd]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1972

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