Seiko Cal. 6243 - 640

The Seiko 6243-640 represents an important milestone in Seiko's 1994 lineup. Powered by the 6243 caliber with 27j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-ce4608d85b68]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1994

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