Seiko Cal. 6389 - 306

The 6389-306 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6389 caliber with 34j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-a7b3269886c4]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1984

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