Seiko Cal. 5243 - 491

The 5243-491 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5243 caliber with 18j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-c0d74c02729b]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1991

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