Seiko Cal. 6375 - 899

This Spring Drive model from 1971 features a 44mm Stainless Steel case. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-68dad4fc177c]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1971

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