Seiko Cal. 3818 - 266

The Seiko 3818-266 represents an important milestone in Seiko's 1991 lineup. Powered by the 3818 caliber with 21j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-0bb51119428e]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1991

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