Seiko Cal. 4456 - 841

This Spring Drive model from 1977 features a 38mm Gold-Plated case. Powered by the 4456 caliber with 24j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-e33f80f0c780]

Also known as: Tuna, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1977

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