Seiko Cal. 5631 - 549

Seiko 5631-549

The 5631-549 is a sought-after Quartz piece from Seiko's golden era. It features a Champagne dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-a376e489847a]

Also known as: Tuna, Flighty

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
11.7mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Champagne
Jewels
18j
Frequency
28,800 bph
Power Reserve
65 hours
Year
1976

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