Seiko Cal. 4488 - 638

Seiko 4488-638

Released in 1997, the Cal. 4488 with design code 638 was part of Seiko's domestic market collection. Powered by the 4488 caliber with 29j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-fe2acea2e58a]

Also known as: Panda, World Timer

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
14.1mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Silver
Jewels
29j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1997

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