Seiko Cal. 4438 - 387

The 4438-387 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-361bcca52d36]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1966

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