Seiko Cal. 3813 - 653

Seiko 3813-653

The 3813-653 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3813 caliber with 17j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-ca81c5a60119]

Also known as: Tuna, Navigator

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
10.2mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Silver
Jewels
17j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1986

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seikata-wm-ca81c5a60119