Seiko Cal. 6337 - 351

The Seiko 6337-351 represents an important milestone in Seiko's 1971 lineup. Powered by the 6337 caliber with 25j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-9df2bad48842]

Also known as: Rally, Crown

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1971

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