Seiko Cal. 6634 - 223

The 6634-223 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6634 caliber with 17j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-a548973e1266]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1995

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