Seiko Cal. 3874 - 728

Seiko 3874-728

This Solar model from 1968 features a 45mm Stainless Steel case. Powered by the 3874 caliber with 28j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-1bdc6892c78e]

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
11.1mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
100m
Dial Color
Navy
Jewels
28j
Frequency
36,000 bph
Power Reserve
48 hours
Year
1968

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