Seiko Cal. 6677 - 987

This Automatic model from 1966 features a 39mm PVD Black case. With its 18mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-1e1d4a4b1860]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1966

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