Seiko Cal. 4531 - 332

The 4531-332 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4531 caliber with 21j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-f6f0e4d53021]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1977

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