Seiko Cal. 3812 - 507

The Seiko 3812-507 represents an important milestone in Seiko's 1977 lineup. With its 21mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-eaa06215cc37]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Champagne

Jewels

32j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1977

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