Seiko Cal. 3820 - 718

The Seiko 3820-718 represents an important milestone in Seiko's 1987 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-233373de6aab]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1987

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