Seiko Cal. 7040 - 304

Seiko 7040-304

The Seiko 7040-304 represents an important milestone in Seiko's 1993 lineup. With its 21mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-84e5dddd6862]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
8.1mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
120m
Dial Color
Green
Jewels
24j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1993

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