Seiko Cal. 3872 - 170

The Seiko 3872-170 represents an important milestone in Seiko's 1974 lineup. It features a Silver dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-e6e5f8bde900]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1974

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