Seiko Cal. 6137 - 444

The Seiko 6137-444 represents an important milestone in Seiko's 1971 lineup. With its 20mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-ebb9262ce819]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1971

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