Seiko Cal. 5251 - 650

The 5251-650 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5251 caliber with 20j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-3b7d87cda6f7]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1973

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