Seiko Cal. 6377 - 189

The 6377-189 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6377 caliber with 36j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-04fbdc991c1c]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

36j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1983

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