Seiko Cal. 6670 - 864

The Seiko 6670-864 represents an important milestone in Seiko's 1967 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-cc8e426c6b7e]

Also known as: Monster, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1967

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