Seiko Cal. 6375 - 664

The Seiko 6375-664 represents an important milestone in Seiko's 1971 lineup. Powered by the 6375 caliber with 32j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-37fb4aad9272]

Also known as: Samurai, Monster

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1971

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