Seiko Cal. 6634 - 204

Seiko 6634-204

The 6634-204 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6634 caliber with 29j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-1c3ebe3bdcfe]

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
34mm
Case Thickness
13.6mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
White
Jewels
29j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1993

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