Seiko Cal. 5646 - 321

Seiko 5646-321

The 5646-321 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-3a284ca823f2]

Also known as: Arnie

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
13.8mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Green
Jewels
25j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1985

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