Seiko Cal. 6337 - 571

The 6337-571 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6337 caliber with 23j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-37421eff64dd]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1999

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