Seiko Cal. 7064 - 837

The Seiko 7064-837 represents an important milestone in Seiko's 1974 lineup. Powered by the 7064 caliber with 31j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-2aa8c905f9a6]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1974

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