Seiko Cal. 5641 - 507

This Automatic model from 1992 features a 40mm Gold-Plated case. Powered by the 5641 caliber with 32j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-8e537ceca21d]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1992

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