Seiko Cal. 3840 - 136

The Seiko 3840-136 represents an important milestone in Seiko's 1981 lineup. With its 21mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-24442445661f]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1981

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