Seiko Cal. 6670 - 617

The Seiko 6670-617 represents an important milestone in Seiko's 1971 lineup. It features a White dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-8715b4de1dcb]

Also known as: Sumo, Panda

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1971

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