Seiko Cal. 3811 - 435

Released in 1972, the Cal. 3811 with design code 435 was part of Seiko's domestic market collection. Powered by the 3811 caliber with 34j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-d86ad8af5df6]

Also known as: Turtle, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1972

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