Seiko Cal. 4442 - 877

This Spring Drive model from 1965 features a 36mm PVD Black case. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-61f2793a772f]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1965

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