Seiko Cal. 4537 - 613

Seiko 4537-613

The Seiko 4537-613 represents an important milestone in Seiko's 1983 lineup. Powered by the 4537 caliber with 36j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-9657af9fba02]

Also known as: Rally

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
38mm
Case Thickness
14.3mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Burgundy
Jewels
36j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1983

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