Seiko Cal. 0720 - 287

The 0720-287 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0720 caliber with 21j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-c33ed8175693]

Also known as: Helmet, Rally

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1985

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