Seiko Cal. 4448 - 958

The Seiko 4448-958 represents an important milestone in Seiko's 1971 lineup. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-cf3ef8c226ac]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1971

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