Seiko Cal. 6645 - 701

Seiko 6645-701

The 6645-701 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6645 caliber with 25j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-5bc459b8c9f5]

Also known as: Helmet, Golden Tuna

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
9.7mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Green
Jewels
25j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1987

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