Seiko Cal. 6656 - 277

Seiko 6656-277

The 6656-277 is a sought-after Solar piece from Seiko's golden era. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-5d1836fc3d88]

Also known as: Monster, Helmet

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
37mm
Case Thickness
13.0mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Burgundy
Jewels
22j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1971

Related Models

seikata-wm-5d1836fc3d88