Seiko Cal. 6616 - 729

This Hand-Winding model from 1983 features a 36mm PVD Black case. With its 21mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-668daf3acd23]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1983

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