Seiko Cal. 5673 - 437

The Seiko 5673-437 represents an important milestone in Seiko's 1998 lineup. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-90d8a6fb95fe]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1998

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