Seiko Cal. 3851 - 504

The Seiko 3851-504 represents an important milestone in Seiko's 1972 lineup. With its 18mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-0f665c408dc9]

Also known as: Helmet, Goldfeather

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Burgundy

Jewels

22j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1972

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