Seiko Cal. 6677 - 544

This Spring Drive model from 1977 features a 35mm PVD Black case. With its 22mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-752f482cffb5]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1977

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