Seiko Cal. 6657 - 842

The Seiko 6657-842 represents an important milestone in Seiko's 1974 lineup. It features a Green dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-a21ff1222bb1]

Also known as: Pogue

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1974

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