Seiko Cal. 6661 - 894

This Hand-Winding model from 1968 features a 39mm Hardlex-Coated Steel case. It features a White dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-e11ed019492f]

Also known as: Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1968

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