Seiko Cal. 5237 - 109

The 5237-109 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-581a9a138cf9]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1996

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