Seiko Cal. 5639 - 846

This Quartz model from 1969 features a 41mm Hardlex-Coated Steel case. It features a Silver dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-e27632adbcb8]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1969

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