Seiko Cal. 7155 - 387

The Seiko 7155-387 represents an important milestone in Seiko's 1976 lineup. Powered by the 7155 caliber with 29j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-db4ba7e27001]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1976

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