Seiko Cal. 5241 - 137

The Seiko 5241-137 represents an important milestone in Seiko's 1979 lineup. With its 21mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-f402d877564f]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1979

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