Seiko Cal. 7187 - 309

The 7187-309 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7187 caliber with 29j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-8dc9213cbb5d]

Also known as: Turtle, Golden Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1984

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