Seiko Cal. 6657 - 180

Seiko 6657-180

This Hand-Winding model from 1999 features a 34mm Hardlex-Coated Steel case. Powered by the 6657 caliber with 31j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-30adb9a602ed]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
14.0mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Burgundy
Jewels
31j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1999

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seikata-wm-30adb9a602ed