Seiko Cal. 4515 - 304

The 4515-304 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4515 caliber with 19j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-ff671ceef9e5]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1967

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