Seiko Cal. 6377 - 440

The Seiko 6377-440 represents an important milestone in Seiko's 1986 lineup. With its 21mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-4ae797b8580a]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1986

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