Seiko Cal. 4461 - 951

This Spring Drive model from 1968 features a 41mm Hardlex-Coated Steel case. Powered by the 4461 caliber with 18j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-b5aa6d8a8cee]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1968

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