Seiko Cal. 5623 - 913

This Quartz model from 1975 features a 39mm Gold-Plated case. Powered by the 5623 caliber with 18j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-010ef5a9da03]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1975

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