Seiko Cal. 5657 - 649

Seiko 5657-649

This Automatic model from 1997 features a 39mm Stainless Steel case. It features a Black dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-bcf9b684b2ef]

Also known as: Silverwave, Baby Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
10.2mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Black
Jewels
35j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1997

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