Seiko Cal. 6634 - 616

The 6634-616 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6634 caliber with 28j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-358dbff1c74c]

Also known as: Samurai, Arnie

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1965

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