Seiko Cal. 6389 - 920

The 6389-920 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6389 caliber with 35j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-adab02f2a0ab]

Also known as: UFO, World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1988

Related Models

• Seiko 5211-128
• Seiko 7111-150
• Seiko 5285-254
• Seiko 6136-233
• Seiko 6656-597
• Seiko 5690-237
• Seiko 7116-251
• Seiko 6631-251
• Seiko 7113-851
• Seiko 0712-197
• Seiko 4532-495
• Seiko 3857-961