Seiko Cal. 7121 - 745

Seiko 7121-745

This Spring Drive model from 1993 features a 39mm Stainless Steel case. It features a Champagne dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-94ed9c9b6ed2]

Also known as: Sumo, UFO

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
14.7mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
100m
Dial Color
Champagne
Jewels
25j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1993

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