Seiko Cal. 5299 - 431

The Seiko 5299-431 represents an important milestone in Seiko's 1968 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-3f207f5890b1]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1968

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