Seiko Cal. 3858 - 242

Seiko 3858-242

The 3858-242 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3858 caliber with 30j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-8e59a72bf2a6]

Also known as: Shogun, Arnie

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
15.0mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
120m
Dial Color
Cream
Jewels
30j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1972

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