Seiko Cal. 6393 - 244

The 6393-244 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-718cbfa3a9aa]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1970

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