Seiko Cal. 4481 - 689

The Seiko 4481-689 represents an important milestone in Seiko's 1974 lineup. Powered by the 4481 caliber with 35j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-9d6a67b7a8cc]

Also known as: Helmet, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1974

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