Seiko Cal. 3812 - 671

The Seiko 3812-671 represents an important milestone in Seiko's 1985 lineup. It features a Cream dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-7a022af7f425]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1985

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