Seiko Cal. 6337 - 674

The 6337-674 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6337 caliber with 33j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-3b6272febece]

Also known as: Tuna, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1997

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