Seiko Cal. 4574 - 307

This Spring Drive model from 1970 features a 38mm Titanium case. Powered by the 4574 caliber with 25j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-a7af6b86e08b]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1970

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