Seiko Cal. 5639 - 311

Seiko 5639-311

The Seiko 5639-311 represents an important milestone in Seiko's 1997 lineup. Powered by the 5639 caliber with 24j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-ff5ae969b799]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
14.6mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Champagne
Jewels
24j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1997

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