Seiko Cal. 6388 - 644

The 6388-644 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-37b5f4a314a9]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1994

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