Seiko Cal. 6634 - 541

Seiko 6634-541

The 6634-541 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6634 caliber with 20j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-b658236a9d4a]

Also known as: Sea Horse, Flighty

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
35mm
Case Thickness
12.2mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1978

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