Seiko Cal. 0763 - 391

The Seiko 0763-391 represents an important milestone in Seiko's 1982 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-5730a6aee002]

Also known as: Sumo, Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1982

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