Seiko Cal. 7156 - 380

The Seiko 7156-380 represents an important milestone in Seiko's 1992 lineup. Powered by the 7156 caliber with 23j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-2b1832af5e43]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1992

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