Seiko Cal. 3811 - 703

Seiko 3811-703

The Seiko 3811-703 represents an important milestone in Seiko's 1968 lineup. Powered by the 3811 caliber with 19j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-986879148c85]

Also known as: Helmet

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
42mm
Case Thickness
15.3mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
160m
Dial Color
Silver
Jewels
19j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1968

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seikata-wm-986879148c85