Seiko Cal. 7187 - 123

The Seiko 7187-123 represents an important milestone in Seiko's 1998 lineup. Powered by the 7187 caliber with 25j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-4f97f6f7a5ce]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1998

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