Seiko Cal. 4437 - 475

The Seiko 4437-475 represents an important milestone in Seiko's 1968 lineup. It features a Silver dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-f993fcaf7694]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1968

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