Seiko Cal. 5648 - 916

Seiko 5648-916

This Spring Drive model from 1986 features a 40mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-b2a064308856]

Also known as: Monster, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
15.4mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1986

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seikata-wm-b2a064308856