Seiko Cal. 6340 - 347

The Seiko 6340-347 represents an important milestone in Seiko's 1966 lineup. It features a Silver dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-4becbc3173e2]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1966

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