Seiko Cal. 4578 - 987

Seiko 4578-987

This Spring Drive model from 1996 features a 43mm Stainless Steel case. It features a White dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-648c9af18ab9]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
12.0mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
White
Jewels
36j
Frequency
28,800 bph
Power Reserve
41 hours
Year
1996

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