Seiko Cal. 6357 - 688

Released in 1987, the Cal. 6357 with design code 688 was part of Seiko's domestic market collection. Powered by the 6357 caliber with 21j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-e4ee82995bbd]

Also known as: Navigator, Sea Horse

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1987

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