Seiko Cal. 5660 - 701

Seiko 5660-701

The 5660-701 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5660 caliber with 18j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-8590098a98e1]

Also known as: Monster, Helmet

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
38mm
Case Thickness
11.7mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Blue Sunburst
Jewels
18j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1990

Related Models

seikata-wm-8590098a98e1