Seiko Cal. 7121 - 405

Seiko 7121-405

The 7121-405 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-acd3b4eca121]

Also known as: Samurai, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
44mm
Case Thickness
10.5mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Green
Jewels
30j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1989

Related Models

seikata-wm-acd3b4eca121