Seiko Cal. 5243 - 361

The 5243-361 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5243 caliber with 21j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-56f49d788db0]

Also known as: Monster, Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1996

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