Seiko Cal. 4410 - 645

The Seiko 4410-645 represents an important milestone in Seiko's 1991 lineup. Powered by the 4410 caliber with 30j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-6b2d4145f844]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1991

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