Seiko Cal. 6644 - 247

This Spring Drive model from 1971 features a 45mm Gold-Plated case. It features a Burgundy dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-18f7093b4bc2]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1971

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