Seiko Cal. 3812 - 731

The 3812-731 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-d6952ffeec21]

Also known as: Arnie, Flighty

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1991

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