Seiko Cal. 5637 - 741

Seiko 5637-741

This Automatic model from 1987 features a 38mm Hardlex-Coated Steel case. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-8f8645209405]

Also known as: Samurai, Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
13.1mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
White
Jewels
29j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1987

Related Models

seikata-wm-8f8645209405