Seiko Cal. 6387 - 921

The 6387-921 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6387 caliber with 19j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-6159ebfcdbd5]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1976

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