Seiko Cal. 4439 - 976

This Hand-Winding model from 1966 features a 45mm Stainless Steel case. Powered by the 4439 caliber with 35j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-4143a1594d43]

Also known as: Tuna, Panda

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1966

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