Seiko Cal. 6657 - 312

Seiko 6657-312

The 6657-312 is a sought-after Automatic piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-1acf76e52b0e]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
46mm
Case Thickness
10.4mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Cream
Jewels
30j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1976

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