Seiko Cal. 7187 - 109

The 7187-109 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-ed67a653a94a]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1968

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