Seiko Cal. 6657 - 245

Seiko 6657-245

The 6657-245 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-2d344bdc2895]

Also known as: World Timer

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
42mm
Case Thickness
13.6mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
White
Jewels
23j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1967

Related Models

seikata-wm-2d344bdc2895