Seiko Cal. 5654 - 384

The Seiko 5654-384 represents an important milestone in Seiko's 1972 lineup. Powered by the 5654 caliber with 17j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-2f8528a5da82]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1972

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