Seiko Cal. 7064 - 637

Released in 1997, the Cal. 7064 with design code 637 was part of Seiko's domestic market collection. Powered by the 7064 caliber with 18j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-61c77637cc91]

Also known as: Helmet, Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1997

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