Seiko Cal. 6657 - 128

Seiko 6657-128

The 6657-128 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-cea3dd44a0c2]

Also known as: Turtle, Sportsmatic

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
14.0mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
White
Jewels
24j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1994

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