Seiko Cal. 4482 - 740

The Seiko 4482-740 represents an important milestone in Seiko's 1969 lineup. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-4b58239e1a3f]

Also known as: Sumo, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1969

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