Seiko Cal. 5663 - 836

Seiko 5663-836

The Seiko 5663-836 represents an important milestone in Seiko's 1986 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-647ce3ceba08]

Also known as: Monster, Rally

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
11.3mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
18j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1986

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