Seiko Cal. 7187 - 494

The Seiko 7187-494 represents an important milestone in Seiko's 1978 lineup. Powered by the 7187 caliber with 30j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-13ae3869e64c]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1978

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