Seiko Cal. 7148 - 987

The Seiko 7148-987 represents an important milestone in Seiko's 1979 lineup. Powered by the 7148 caliber with 21j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-e28f48b0e312]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1979

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