Seiko Cal. 4555 - 451

The 4555-451 is a sought-after Solar piece from Seiko's golden era. Powered by the 4555 caliber with 18j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-a7f5ac8cfeec]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1967

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