Seiko Cal. 4561 - 548

The 4561-548 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4561 caliber with 34j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-28d34a35024e]

Also known as: Panda, Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1975

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