Seiko Cal. 6111 - 640

The Seiko 6111-640 represents an important milestone in Seiko's 1988 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-97a907f65eb9]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

32j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1988

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