Seiko Cal. 6381 - 371

The 6381-371 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6381 caliber with 31j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-0daf19217854]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1989

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