Seiko Cal. 0715 - 921

The 0715-921 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0715 caliber with 31j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-97a89a3c10df]

Also known as: Monster, Pogue

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1984

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