Seiko Cal. 6391 - 311

The 6391-311 is a sought-after Solar piece from Seiko's golden era. With its 22mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-bdf7dfc78003]

Also known as: Turtle, Bullhead

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1974

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