Seiko Cal. 0731 - 186

The 0731-186 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-9bcc3aa304be]

Also known as: Emperor, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1984

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