Seiko Cal. 6665 - 364

The Seiko 6665-364 represents an important milestone in Seiko's 1967 lineup. It features a White dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-2e184a9300f4]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1967

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