Seiko Cal. 7137 - 739

The 7137-739 is a sought-after Solar piece from Seiko's golden era. Powered by the 7137 caliber with 35j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-b8c84381116b]

Also known as: UFO, Sea Horse

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1981

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