Seiko Cal. 3857 - 412

Released in 1970, the Cal. 3857 with design code 412 was part of Seiko's domestic market collection. It features a White dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-889fb0addeaf]

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1970

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