Seiko Cal. 3857 - 379

The Seiko 3857-379 represents an important milestone in Seiko's 1988 lineup. With its 20mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-f2bbb0f340b2]

Also known as: Navigator, Emperor

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1988

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