Seiko Cal. 7117 - 747

The 7117-747 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7117 caliber with 27j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-aba3e5723a6e]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1974

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