Seiko Cal. 4540 - 836

Seiko 4540-836

This Quartz model from 1966 features a 40mm Stainless Steel case. Powered by the 4540 caliber with 22j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-af5689b204e3]

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
10.6mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
22j
Frequency
36,000 bph
Power Reserve
52 hours
Year
1966

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