Seiko Cal. 4481 - 690

The Seiko 4481-690 represents an important milestone in Seiko's 1994 lineup. Powered by the 4481 caliber with 29j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-91352e2d93c8]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1994

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