Seiko Cal. 4540 - 694

Seiko 4540-694

This Solar model from 1981 features a 45mm Titanium case. Powered by the 4540 caliber with 18j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-531a5a7b82c7]

Specifications

Movement
Solar
Case Material
Titanium
Case Width
45mm
Case Thickness
9.8mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
40m
Dial Color
Navy
Jewels
18j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1981

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seikata-wm-531a5a7b82c7