Seiko Cal. 3831 - 730

The 3831-730 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-72622b13e847]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1987

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