Seiko Cal. 5243 - 920

The Seiko 5243-920 represents an important milestone in Seiko's 1980 lineup. Powered by the 5243 caliber with 33j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-178f88bbe68b]

Also known as: Tuna, Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1980

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