Seiko Cal. 3898 - 642

Seiko 3898-642

The 3898-642 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3898 caliber with 35j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-58e91932924b]

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
15.8mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Burgundy
Jewels
35j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1975

Related Models

seikata-wm-58e91932924b