Seiko Cal. 0727 - 159

The 0727-159 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-d4b71d0be94e]

Also known as: Sumo, Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1979

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