Seiko Cal. 5657 - 920

Seiko 5657-920

The 5657-920 is a sought-after Solar piece from Seiko's golden era. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-78cc083650e4]

Also known as: Baby Tuna, Arnie

Specifications

Movement
Solar
Case Material
Titanium
Case Width
45mm
Case Thickness
13.1mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Black
Jewels
30j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1965

Related Models

seikata-wm-78cc083650e4