Seiko Cal. 6337 - 641

The 6337-641 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6337 caliber with 27j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-0ea36ec9b37d]

Also known as: Samurai, Rally

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1999

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