Seiko Cal. 5648 - 331

Seiko 5648-331

The Seiko 5648-331 represents an important milestone in Seiko's 1983 lineup. It features a Black dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-05466125a4d9]

Also known as: Monster, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
12.7mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Black
Jewels
35j
Frequency
36,000 bph
Power Reserve
41 hours
Year
1983

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