Seiko Cal. 5660 - 821

The 5660-821 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-520d609e447d]

Also known as: Pogue, Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1974

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