Seiko Cal. 5639 - 150

Seiko 5639-150

The Seiko 5639-150 represents an important milestone in Seiko's 1967 lineup. Powered by the 5639 caliber with 22j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-4531eb9677fb]

Also known as: UFO, Baby Tuna

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
37mm
Case Thickness
9.7mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Burgundy
Jewels
22j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1967

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