Seiko Cal. 7137 - 552

Released in 1980, the Cal. 7137 with design code 552 was part of Seiko's domestic market collection. Powered by the 7137 caliber with 31j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-8d6b65788b3d]

Also known as: Rally, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1980

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