Seiko Cal. 6340 - 877

The Seiko 6340-877 represents an important milestone in Seiko's 1981 lineup. Powered by the 6340 caliber with 18j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-b1e8d011eb9d]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1981

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