Seiko Cal. 4487 - 597

The 4487-597 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4487 caliber with 23j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-45554cb688d8]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1982

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