Seiko Cal. 6670 - 503

This Automatic model from 1971 features a 39mm Two-Tone case. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-f5cfd6ad2a61]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1971

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