Seiko Cal. 3851 - 928

The Seiko 3851-928 represents an important milestone in Seiko's 1968 lineup. With its 20mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-3dc6c41b384b]

Also known as: Helmet, Silverwave

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1968

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