Seiko Cal. 4540 - 741

The Seiko 4540-741 represents an important milestone in Seiko's 1997 lineup. Powered by the 4540 caliber with 26j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-8e07839c796f]

Also known as: Sportsmatic, Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1997

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