Seiko Cal. 4515 - 660

The 4515-660 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4515 caliber with 23j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-9d39067ac2bd]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1998

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