Seiko Cal. 6639 - 989

This Hand-Winding model from 1997 features a 43mm Titanium case. Powered by the 6639 caliber with 22j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-7c3ae1bafe6d]

Also known as: Panda, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1997

Related Models

• Seiko 6657-712
• Seiko 7026-592
• Seiko 6666-339
• Seiko 4569-276
• Seiko 6177-654
• Seiko 5268-274
• Seiko 5299-743
• Seiko 6391-988
• Seiko 7014-361
• Seiko 6120-941
• Seiko 5244-592
• Seiko 4434-128