Seiko Cal. 5639 - 774

Seiko 5639-774

This Solar model from 1999 features a 36mm Stainless Steel case. With its 21mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-55aecc1b2cbc]

Also known as: Monster, Golden Tuna

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
8.7mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
120m
Dial Color
Black
Jewels
30j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1999

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