Seiko Cal. 3840 - 453

The Seiko 3840-453 represents an important milestone in Seiko's 1974 lineup. Powered by the 3840 caliber with 20j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-e29bd791cc44]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1974

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