Seiko Cal. 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

Related Models

• Seiko 0798-387
• Seiko 4530-382
• Seiko 5248-962
• Seiko 4561-669
• Seiko 3895-392
• Seiko 6633-594
• Seiko 4545-720
• Seiko 4590-380
• Seiko 5650-691
• Seiko 4447-637
• Seiko 0771-151
• Seiko 4478-704