Seiko Cal. 3893 - 671

Seiko 3893-671

The 3893-671 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-4e2a77e7422f]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
8.7mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Silver
Jewels
32j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1978

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