Seiko Cal. 6340 - 631

The Seiko 6340-631 represents an important milestone in Seiko's 1983 lineup. Powered by the 6340 caliber with 30j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-d978b92229d3]

Also known as: Rally, World Timer

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1983

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