Seiko Cal. 6144 - 690

Seiko 6144-690

The 6144-690 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6144 caliber with 20j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-1724ad628b0a]

Also known as: Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
12.2mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Champagne
Jewels
20j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1992

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seikata-wm-1724ad628b0a