Seiko Cal. 4481 - 686

The Seiko 4481-686 represents an important milestone in Seiko's 1972 lineup. Powered by the 4481 caliber with 31j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-32ade37244b0]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1972

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