Seiko Cal. 6637 - 730

Seiko 6637-730

The Seiko 6637-730 represents an important milestone in Seiko's 1974 lineup. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-97e95dc16672]

Also known as: Turtle, Sea Horse

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
44mm
Case Thickness
11.1mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
White
Jewels
34j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1974

Related Models

seikata-wm-97e95dc16672