Seiko Cal. 5623 - 725

This Solar model from 1966 features a 40mm Stainless Steel case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-a7f807d8b2e1]

Also known as: Sumo, Pogue

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1966

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