Seiko Cal. 4486 - 689

The Seiko 4486-689 represents an important milestone in Seiko's 1970 lineup. Powered by the 4486 caliber with 35j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-417ceef632a6]

Also known as: Helmet, Silverwave

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1970

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