Seiko Cal. 5656 - 184

This Hand-Winding model from 1972 features a 40mm Stainless Steel case. It features a Silver dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-7edf9d41bcbd]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1972

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