Seiko Cal. 5613 - 638

Seiko 5613-638

The 5613-638 is a sought-after Solar piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-399b3c74c3a4]

Also known as: UFO, Arnie

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
46mm
Case Thickness
15.7mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
100m
Dial Color
White
Jewels
28j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1986

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