Seiko Cal. 5633 - 974

Released in 1978, the Cal. 5633 with design code 974 was part of Seiko's domestic market collection. Powered by the 5633 caliber with 21j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-7a26a6dd63a1]

Also known as: Helmet, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1978

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