Seiko Cal. 6381 - 445

The 6381-445 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6381 caliber with 31j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-f8476ef60386]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1978

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