Seiko Cal. 3813 - 864

Seiko 3813-864

This Automatic model from 1997 features a 45mm Two-Tone case. Powered by the 3813 caliber with 36j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-345d13662a28]

Also known as: Baby Tuna

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
45mm
Case Thickness
10.0mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
190m
Dial Color
Silver
Jewels
36j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1997

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seikata-wm-345d13662a28