Seiko Cal. 6337 - 580

The Seiko 6337-580 represents an important milestone in Seiko's 1974 lineup. Powered by the 6337 caliber with 30j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-1b2f50520bbf]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1974

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