Seiko Cal. 5644 - 297

This Spring Drive model from 1978 features a 46mm Gold-Plated case. It features a Burgundy dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-23e85b476e17]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

26j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1978

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