Seiko Cal. 4582 - 437

The 4582-437 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4582 caliber with 17j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-424fd2b6c0c9]

Also known as: Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1976

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