Seiko Cal. 6665 - 865

The Seiko 6665-865 represents an important milestone in Seiko's 1972 lineup. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-1d2ab3a74b9e]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1972

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