Seiko Cal. 5642 - 661

The 5642-661 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-6f5a6343f12e]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1976

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