Seiko Cal. 5640 - 946

Seiko 5640-946

The 5640-946 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-de701a316f8f]

Also known as: Rally, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
11.1mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
White
Jewels
36j
Frequency
36,000 bph
Power Reserve
40 hours
Year
1995

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