Seiko Cal. 5637 - 191

Seiko 5637-191

The 5637-191 is a sought-after Solar piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-568a5e0c5e3a]

Also known as: Turtle, Arnie

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
11.8mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Blue Sunburst
Jewels
25j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1992

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