Seiko Cal. 4551 - 927

This Quartz model from 1966 features a 43mm Two-Tone case. It features a Silver dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-2f5409e373a8]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1966

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