Seiko Cal. 4448 - 939

The 4448-939 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-8cfbbded1de6]

Also known as: Silverwave, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1994

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