Seiko Cal. 6660 - 320

The 6660-320 is a sought-after Quartz piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-b29e27f3b809]

Also known as: Turtle, UFO

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1980

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