Seiko Cal. 6645 - 857

Seiko 6645-857

The 6645-857 is a sought-after Quartz piece from Seiko's golden era. It features a Burgundy dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-21a36bcc1e72]

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
35mm
Case Thickness
9.6mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Burgundy
Jewels
23j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1976

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