Seiko Cal. 4540 - 815

The 4540-815 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4540 caliber with 19j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-6763535b8333]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1976

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