Seiko Cal. 6164 - 644

This Spring Drive model from 1968 features a 41mm Stainless Steel case. It features a Champagne dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-9b4b57060f1d]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1968

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