Seiko Cal. 4447 - 357

The Seiko 4447-357 represents an important milestone in Seiko's 1993 lineup. It features a Silver dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-c8506b49e4f4]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1993

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