Seiko Cal. 4439 - 840

This Hand-Winding model from 1968 features a 46mm Stainless Steel case. Powered by the 4439 caliber with 21j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-7ad1a1161d4d]

Also known as: Pogue, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1968

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