Seiko Cal. 4464 - 987

The Seiko 4464-987 represents an important milestone in Seiko's 1986 lineup. Powered by the 4464 caliber with 23j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-e3a1152d8b11]

Also known as: Helmet, Bellmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1986

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