Seiko Cal. 4540 - 350

Seiko 4540-350

This Automatic model from 1972 features a 40mm Titanium case. Powered by the 4540 caliber with 19j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-ad6697ff5dab]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
40mm
Case Thickness
10.4mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
30m
Dial Color
Green
Jewels
19j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1972

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