Seiko Cal. 7131 - 459

The 7131-459 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7131 caliber with 21j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-60a269e05680]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1987

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