Seiko Cal. 6634 - 228

The 6634-228 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6634 caliber with 31j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-5aa856af6b2d]

Also known as: Silverwave, Goldfeather

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1972

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