Seiko Cal. 6347 - 646

The Seiko 6347-646 represents an important milestone in Seiko's 1972 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-58a04bb69036]

Also known as: Sumo, World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1972

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