Seiko Cal. 3893 - 643

Seiko 3893-643

The Seiko 3893-643 represents an important milestone in Seiko's 1967 lineup. Powered by the 3893 caliber with 36j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-98763a1d4abf]

Also known as: Turtle

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
15.0mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Champagne
Jewels
36j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1967

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