Seiko Cal. 3842 - 257

The Seiko 3842-257 represents an important milestone in Seiko's 1966 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-9b654f213e5a]

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1966

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