Seiko Cal. 4537 - 215

The 4537-215 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4537 caliber with 18j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-510dd67904e1]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1974

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