Seiko Cal. 5691 - 786

This Solar model from 1977 features a 45mm PVD Black case. With its 21mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-811a8717f42e]

Also known as: Turtle

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1977

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