Seiko Cal. 6661 - 938

Seiko 6661-938

The 6661-938 is a sought-after Quartz piece from Seiko's golden era. With its 22mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-6ef731387b41]

Also known as: Helmet

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
36mm
Case Thickness
10.5mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Green
Jewels
29j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1996

Related Models

seikata-wm-6ef731387b41