Seiko Cal. 0731 - 846

The 0731-846 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-6031ef5d09b0]

Also known as: Sumo, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1978

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