Seiko Cal. 6657 - 388

Seiko 6657-388

The Seiko 6657-388 represents an important milestone in Seiko's 1976 lineup. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-073cbde5b3e2]

Also known as: Shogun

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
44mm
Case Thickness
15.6mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
190m
Dial Color
Cream
Jewels
32j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1976

Related Models

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