Seiko Cal. 3851 - 857

The 3851-857 is a sought-after Kinetic piece from Seiko's golden era. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-ee5dca70cb73]

Also known as: Bellmatic, World Timer

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1975

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