Seiko Cal. 0737 - 403

Seiko 0737-403

The 0737-403 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-9c48a98f8179]

Also known as: Sumo, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
41mm
Case Thickness
13.0mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Green
Jewels
26j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1995

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seikata-wm-9c48a98f8179