Seiko Cal. 4415 - 427

This Spring Drive model from 1966 features a 44mm Stainless Steel case. Powered by the 4415 caliber with 22j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-9c632e7c79df]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1966

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