Seiko Cal. 3857 - 242

The Seiko 3857-242 represents an important milestone in Seiko's 1988 lineup. With its 20mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-7bff7009e6d5]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1988

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