Seiko Cal. 3857 - 998

Seiko 3857-998

The 3857-998 is a sought-after Solar piece from Seiko's golden era. Powered by the 3857 caliber with 23j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-a0d5eceba5fd]

Also known as: Navigator

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
15.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
150m
Dial Color
Silver
Jewels
23j
Frequency
36,000 bph
Power Reserve
40 hours
Year
1985

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