Seiko Cal. 3857 - 678

The Seiko 3857-678 represents an important milestone in Seiko's 1973 lineup. Powered by the 3857 caliber with 34j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-2452ed6e0041]

Also known as: Samurai, Silverwave

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1973

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