Seiko Cal. 6616 - 770

The 6616-770 is a sought-after Hand-Winding piece from Seiko's golden era. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-e51783e1d478]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1971

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