Seiko Cal. 4540 - 962

The 4540-962 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4540 caliber with 26j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-967a3e2fb383]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1999

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