Seiko Cal. 3855 - 170

The 3855-170 is a sought-after Automatic piece from Seiko's golden era. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-e46d14f49739]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1978

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