Seiko Cal. 4545 - 683

Seiko 4545-683

The Seiko 4545-683 represents an important milestone in Seiko's 1976 lineup. Powered by the 4545 caliber with 21j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-64f24b4a0c05]

Also known as: Baby Tuna

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
43mm
Case Thickness
12.4mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1976

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