Seiko Cal. 6664 - 542

This Spring Drive model from 1986 features a 42mm Hardlex-Coated Steel case. Powered by the 6664 caliber with 26j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-6bfce8541629]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1986

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