Seiko Cal. 4437 - 845

This Hand-Winding model from 1966 features a 44mm Stainless Steel case. Powered by the 4437 caliber with 30j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-f9352cb4f4e1]

Also known as: Panda, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1966

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