Seiko Cal. 6133 - 640

The Seiko 6133-640 represents an important milestone in Seiko's 1975 lineup. It features a Black dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-5fe649f64cbe]

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1975

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