Seiko Cal. 6654 - 364

The 6654-364 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-e9bccfcc266e]

Also known as: Crown, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1966

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