Seiko Cal. 6665 - 378

The Seiko 6665-378 represents an important milestone in Seiko's 1967 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-b936704f932a]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

32j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1967

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