Seiko Cal. 4561 - 437

The 4561-437 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4561 caliber with 18j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-b6ae54bf8b60]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1982

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