Seiko Cal. 5251 - 137

Released in 1969, the Cal. 5251 with design code 137 was part of Seiko's domestic market collection. With its 18mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-c7312bec3eab]

Also known as: Tuna, Panda

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1969

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