Seiko Cal. 6660 - 240

The Seiko 6660-240 represents an important milestone in Seiko's 1975 lineup. It features a Silver dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-2daf7028153b]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1975

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