Seiko Cal. 4428 - 911

This Hand-Winding model from 1984 features a 39mm Titanium case. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-7bc8ba01e51d]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1984

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