Seiko Cal. 4439 - 533

This Kinetic model from 1991 features a 37mm Two-Tone case. Powered by the 4439 caliber with 31j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-70b247105b8b]

Also known as: Sumo, Crown

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1991

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