Seiko Cal. 6643 - 344

This Spring Drive model from 1971 features a 34mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-b3a4613db1dd]

Also known as: Samurai, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1971

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