Seiko Cal. 5656 - 641

Seiko 5656-641

The 5656-641 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5656 caliber with 34j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-a7914252b5e6]

Also known as: Turtle

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
10.5mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
180m
Dial Color
Blue Sunburst
Jewels
34j
Frequency
28,800 bph
Power Reserve
48 hours
Year
1977

Related Models

seikata-wm-a7914252b5e6