Seiko Cal. 6660 - 359

Released in 1966, the Cal. 6660 with design code 359 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-121f168eb5f7]

Also known as: Rally, Emperor

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1966

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