Seiko Cal. 6657 - 660

The Seiko 6657-660 represents an important milestone in Seiko's 1985 lineup. It features a Cream dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-32b69529989c]

Also known as: Panda, Navigator

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

19j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1985

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