Seiko Cal. 0747 - 288

Seiko 0747-288

The Seiko 0747-288 represents an important milestone in Seiko's 1968 lineup. Powered by the 0747 caliber with 23j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-053382cad0e8]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
15.4mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Black
Jewels
23j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1968

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