Seiko Cal. 7156 - 847

The Seiko 7156-847 represents an important milestone in Seiko's 1997 lineup. Powered by the 7156 caliber with 29j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-cf43dcfe33a5]

Also known as: Helmet, Rally

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1997

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