Seiko Cal. 5242 - 985

Seiko 5242-985

The 5242-985 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-2713071dd816]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
12.8mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Burgundy
Jewels
18j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1978

Related Models

seikata-wm-2713071dd816