Seiko Cal. 4496 - 740

Seiko 4496-740

Released in 1967, the Cal. 4496 with design code 740 was part of Seiko's domestic market collection. Powered by the 4496 caliber with 36j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-b9823efafe88]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
12.7mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
170m
Dial Color
White
Jewels
36j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1967

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