Seiko Cal. 4437 - 481

The Seiko 4437-481 represents an important milestone in Seiko's 1973 lineup. Powered by the 4437 caliber with 27j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-45fdefbc403f]

Also known as: Panda

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1973

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