Seiko Cal. 6647 - 236

The Seiko 6647-236 represents an important milestone in Seiko's 1988 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-bec50f8ae3ff]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1988

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