Seiko Cal. 5661 - 498

This Automatic model from 1966 features a 43mm PVD Black case. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-49de83f8ec34]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1966

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