Seiko Cal. 6380 - 654

The 6380-654 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6380 caliber with 21j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-08b506be7be5]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1976

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