Seiko Cal. 3810 - 554

Seiko 3810-554

The Seiko 3810-554 represents an important milestone in Seiko's 1968 lineup. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-102537ed104a]

Also known as: Samurai, Monster

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
15.1mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Cream
Jewels
20j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1968

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