Seiko Cal. 6657 - 337

The Seiko 6657-337 represents an important milestone in Seiko's 1992 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-2230ff1e402e]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1992

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