Seiko Cal. 4438 - 254

The 4438-254 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-c602e88f96cd]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1987

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