Seiko Cal. 4451 - 820

Seiko 4451-820

The 4451-820 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4451 caliber with 30j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-f9e26c01dc62]

Also known as: Golden Tuna, Flighty

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
10.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Cream
Jewels
30j
Frequency
36,000 bph
Power Reserve
48 hours
Year
1968

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