Seiko Cal. 4481 - 597

This Spring Drive model from 1979 features a 44mm PVD Black case. It features a Burgundy dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-8c83764e17fe]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1979

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