Seiko Cal. 6657 - 535

The Seiko 6657-535 represents an important milestone in Seiko's 1972 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-793a85d213dd]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1972

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