Seiko Cal. 6644 - 740

This Automatic model from 1974 features a 46mm Gold-Plated case. It features a Cream dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-cbabef4cb8ce]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1974

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