Seiko Cal. 6393 - 777

The 6393-777 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-4158bc938bf5]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1966

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