Seiko Cal. 6656 - 537

Seiko 6656-537

The 6656-537 is a sought-after Automatic piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-544dbb21566f]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
38mm
Case Thickness
13.1mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Burgundy
Jewels
36j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1975

Related Models

seikata-wm-544dbb21566f