Seiko Cal. 6381 - 276

Seiko 6381-276

The 6381-276 is a sought-after Quartz piece from Seiko's golden era. With its 21mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-60e42e2c822c]

Also known as: Helmet, Crown

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
10.2mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Silver
Jewels
31j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1969

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seikata-wm-60e42e2c822c