Seiko Cal. 7115 - 390

The Seiko 7115-390 represents an important milestone in Seiko's 1969 lineup. Powered by the 7115 caliber with 27j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-bda65aca8c2e]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1969

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