Seiko Cal. 6654 - 691

Seiko 6654-691

The 6654-691 is a sought-after Quartz piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-66dfc87a47b9]

Also known as: Bullhead, Bellmatic

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
37mm
Case Thickness
10.3mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
40m
Dial Color
White
Jewels
30j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1983

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