Seiko Cal. 3831 - 370

Seiko 3831-370

The Seiko 3831-370 represents an important milestone in Seiko's 1978 lineup. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-5254b416d0c2]

Also known as: Helmet

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
43mm
Case Thickness
10.2mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
Cream
Jewels
24j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1978

Related Models

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