Seiko Cal. 0721 - 831

Seiko 0721-831

The Seiko 0721-831 represents an important milestone in Seiko's 1994 lineup. Powered by the 0721 caliber with 28j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-c834d225aaa0]

Also known as: Bullhead, Baby Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
14.6mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Cream
Jewels
28j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1994

Related Models

seikata-wm-c834d225aaa0