Seiko Cal. 4540 - 983

Seiko 4540-983

The Seiko 4540-983 represents an important milestone in Seiko's 1987 lineup. Powered by the 4540 caliber with 21j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-c7f6786fe23b]

Also known as: Shogun, Baby Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
10.9mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
150m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1987

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