Seiko Cal. 4486 - 384

The Seiko 4486-384 represents an important milestone in Seiko's 1978 lineup. Powered by the 4486 caliber with 21j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-cf9be8974436]

Also known as: Helmet, Arnie

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1978

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