Seiko Cal. 6669 - 701

This Spring Drive model from 1966 features a 40mm Hardlex-Coated Steel case. It features a Silver dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-c8f621debd16]

Also known as: Monster, Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1966

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