Seiko Cal. 6657 - 313

The 6657-313 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6657 caliber with 32j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-3da673180ed0]

Also known as: Goldfeather, Navigator

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1988

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