Seiko Cal. 6657 - 597

The Seiko 6657-597 represents an important milestone in Seiko's 1965 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-f9e9777e4ca3]

Also known as: Panda

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1965

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