Seiko Cal. 6241 - 637

Seiko 6241-637

This Hand-Winding model from 1965 features a 39mm Two-Tone case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-608f87e0136c]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
39mm
Case Thickness
11.4mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Navy
Jewels
29j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1965

Related Models

seikata-wm-608f87e0136c