Seiko Cal. 4439 - 928

This Hand-Winding model from 1981 features a 34mm Two-Tone case. Powered by the 4439 caliber with 21j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-6808b3a96806]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1981

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