Seiko Cal. 5637 - 872

Seiko 5637-872

The 5637-872 is a sought-after Quartz piece from Seiko's golden era. With its 19mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-dead72152a1f]

Also known as: Baby Tuna

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
35mm
Case Thickness
12.5mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
110m
Dial Color
Navy
Jewels
27j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1975

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