Seiko Cal. 5243 - 685

The Seiko 5243-685 represents an important milestone in Seiko's 1977 lineup. Powered by the 5243 caliber with 36j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-21ef1a127863]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1977

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