Seiko Cal. 6388 - 376

The 6388-376 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6388 caliber with 22j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-8dfd492a488b]

Also known as: Helmet, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Cream

Jewels

22j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1974

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