Seiko Cal. 3857 - 243

The Seiko 3857-243 represents an important milestone in Seiko's 1979 lineup. It features a White dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-757ad21b34d5]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1979

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