Seiko Cal. 7034 - 646

The Seiko 7034-646 represents an important milestone in Seiko's 1968 lineup. Powered by the 7034 caliber with 17j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-9c2b23d809b0]

Also known as: Sumo, Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1968

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