Seiko Cal. 3840 - 578

Seiko 3840-578

The Seiko 3840-578 represents an important milestone in Seiko's 1974 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-7b6ac2d30b16]

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
14.0mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
30m
Dial Color
Burgundy
Jewels
22j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1974

Related Models

seikata-wm-7b6ac2d30b16