Seiko Cal. 6393 - 648

This Hand-Winding model from 1971 features a 37mm Two-Tone case. Powered by the 6393 caliber with 36j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-8edd53b5afe2]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1971

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