Seiko Cal. 5210 - 661

The 5210-661 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5210 caliber with 26j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-d2a5443be06b]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1968

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