Seiko Cal. 4515 - 732

The Seiko 4515-732 represents an important milestone in Seiko's 1968 lineup. Powered by the 4515 caliber with 31j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-8fb5167a8d10]

Also known as: Helmet, Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1968

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