Seiko Cal. 0725 - 637

Seiko 0725-637

The 0725-637 is a sought-after Solar piece from Seiko's golden era. With its 21mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-00586af48b6b]

Also known as: Samurai, Tuna

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
13.9mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Champagne
Jewels
32j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1975

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