Seiko Cal. 7117 - 781

The Seiko 7117-781 represents an important milestone in Seiko's 1972 lineup. It features a Green dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-a3e06f29f056]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1972

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