Seiko Cal. 5657 - 341

Seiko 5657-341

The Seiko 5657-341 represents an important milestone in Seiko's 1976 lineup. Powered by the 5657 caliber with 18j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-c469c5515224]

Also known as: Shogun, UFO

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
10.6mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
200m
Dial Color
White
Jewels
18j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1976

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