Seiko Cal. 6645 - 521

Seiko 6645-521

The 6645-521 is a sought-after Quartz piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-dda4397d42af]

Also known as: Monster, Golden Tuna

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
14.2mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
150m
Dial Color
White
Jewels
24j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1980

Related Models

seikata-wm-dda4397d42af