Seiko Cal. 6670 - 750

This Hand-Winding model from 1970 features a 39mm Two-Tone case. It features a Silver dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-2743e2f290b4]

Also known as: Sumo, Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1970

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