Seiko Cal. 4451 - 639

This Spring Drive model from 1984 features a 42mm PVD Black case. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-d5431b045f75]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1984

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