Seiko Cal. 6641 - 233

The Seiko 6641-233 represents an important milestone in Seiko's 1987 lineup. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-dfbde1520bc4]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1987

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