Seiko Cal. 6387 - 301

The 6387-301 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6387 caliber with 18j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-3694a4be8dc9]

Also known as: Tuna, Navigator

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1976

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