Seiko Cal. 6221 - 228

This Spring Drive model from 1974 features a 34mm Titanium case. Powered by the 6221 caliber with 20j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-d9e20f14b520]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1974

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