Seiko Cal. 4437 - 520

The Seiko 4437-520 represents an important milestone in Seiko's 1999 lineup. It features a White dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-18b3fd746e72]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1999

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