Seiko Cal. 7117 - 710

The Seiko 7117-710 represents an important milestone in Seiko's 1967 lineup. Powered by the 7117 caliber with 30j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-d5de5a662d73]

Also known as: Sumo, World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1967

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