Seiko Cal. 4565 - 328

This Spring Drive model from 1972 features a 38mm Hardlex-Coated Steel case. Powered by the 4565 caliber with 35j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-8da8714b7a60]

Also known as: UFO, Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1972

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