Seiko Cal. 6320 - 545

The 6320-545 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6320 caliber with 33j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-433bf18067b1]

Also known as: Sumo, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1966

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