Seiko Cal. 5243 - 181

The 5243-181 is a sought-after Solar piece from Seiko's golden era. Powered by the 5243 caliber with 19j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-7be2dc129989]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1976

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