Seiko Cal. 4485 - 670

The Seiko 4485-670 represents an important milestone in Seiko's 1993 lineup. Powered by the 4485 caliber with 34j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-d25daec7bf37]

Also known as: Sportsmatic, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1993

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