Seiko Cal. 5644 - 121

Seiko 5644-121

The 5644-121 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-0aa5e51783a0]

Also known as: Silverwave, Golden Tuna

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
14.7mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Green
Jewels
30j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1988

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