Seiko Cal. 7187 - 306

The Seiko 7187-306 represents an important milestone in Seiko's 1988 lineup. Powered by the 7187 caliber with 20j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-4d62dd8229ee]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1988

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