Seiko Cal. 3811 - 998

The Seiko 3811-998 represents an important milestone in Seiko's 1980 lineup. Powered by the 3811 caliber with 29j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-a191035a14e0]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1980

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