Seiko Cal. 6641 - 254

Seiko 6641-254

The 6641-254 is a sought-after Quartz piece from Seiko's golden era. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-de2b4ae32f27]

Also known as: Monster, Golden Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
8.3mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Navy
Jewels
29j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1991

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