Seiko Cal. 3813 - 440

The Seiko 3813-440 represents an important milestone in Seiko's 1978 lineup. Powered by the 3813 caliber with 34j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-759f289701ad]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1978

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