Seiko Cal. 6642 - 677

The 6642-677 is a sought-after Solar piece from Seiko's golden era. With its 22mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-7ad13bd8582f]

Also known as: Turtle, Bullhead

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1973

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