Seiko Cal. 4477 - 419

This Hand-Winding model from 1972 features a 40mm Gold-Plated case. It features a Navy dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-54098aea5cd8]

Also known as: Sumo, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1972

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