Seiko Cal. 0740 - 498

Seiko 0740-498

The Seiko 0740-498 represents an important milestone in Seiko's 1981 lineup. Powered by the 0740 caliber with 21j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-ddd75a545c99]

Also known as: Baby Tuna, Flighty

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
14.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
150m
Dial Color
Silver
Jewels
21j
Frequency
28,800 bph
Power Reserve
44 hours
Year
1981

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seikata-wm-ddd75a545c99