Seiko Cal. 5231 - 769

Seiko 5231-769

The 5231-769 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-12c1dc84a979]

Also known as: Sumo, UFO

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
9.4mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Green
Jewels
21j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1997

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