Seiko Cal. 3851 - 616

The Seiko 3851-616 represents an important milestone in Seiko's 1970 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-ee0ade563284]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1970

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