Seiko Cal. 5656 - 390

Seiko 5656-390

This Automatic model from 1990 features a 36mm Stainless Steel case. Powered by the 5656 caliber with 25j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-d45a255fa6bd]

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
10.8mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Cream
Jewels
25j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1990

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