Seiko Cal. 3897 - 733

Seiko 3897-733

The Seiko 3897-733 represents an important milestone in Seiko's 1981 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-7a17f84f903c]

Also known as: Turtle, Sumo

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
9.3mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Silver
Jewels
29j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1981

Related Models

seikata-wm-7a17f84f903c