Seiko Cal. 3821 - 997

Seiko 3821-997

The 3821-997 is a sought-after Solar piece from Seiko's golden era. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-cc9e3e69df50]

Also known as: Monster

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
41mm
Case Thickness
13.3mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Black
Jewels
27j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1970

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