Seiko Cal. 5641 - 450

Seiko 5641-450

This Solar model from 1965 features a 42mm Two-Tone case. Powered by the 5641 caliber with 30j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-f306606ce77b]

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
42mm
Case Thickness
12.4mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
30j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1965

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