Seiko Cal. 4540 - 471

Seiko 4540-471

This Solar model from 1995 features a 44mm Titanium case. Powered by the 4540 caliber with 18j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-e0296110f1f3]

Also known as: Helmet, Bellmatic

Specifications

Movement
Solar
Case Material
Titanium
Case Width
44mm
Case Thickness
9.5mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Silver
Jewels
18j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1995

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