Seiko Cal. 5639 - 422

This Automatic model from 1986 features a 44mm Gold-Plated case. Powered by the 5639 caliber with 35j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-e43eb6e2287f]

Also known as: Monster, Sumo

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1986

Related Models

• Seiko 6180-230
• Seiko 0797-742
• Seiko 5622-403
• Seiko 4487-312
• Seiko 5655-352
• Seiko 6367-929
• Seiko 4531-890
• Seiko 6157-825
• Seiko 3897-112
• Seiko 4575-729
• Seiko 0767-747
• Seiko 5676-665