Seiko Cal. 6670 - 242

The Seiko 6670-242 represents an important milestone in Seiko's 1965 lineup. It features a Silver dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-ee044eb2ed9f]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1965

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