Seiko Cal. 0740 - 995

This Spring Drive model from 1968 features a 45mm Stainless Steel case. Powered by the 0740 caliber with 25j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-ba354dcdadc9]

Also known as: Tuna, Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1968

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