Seiko Cal. 6121 - 857

Seiko 6121-857

This Automatic model from 1976 features a 43mm Stainless Steel case. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-f181b8c7f36c]

Also known as: Monster, Bullhead

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
9.5mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
White
Jewels
21j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1976

Related Models

seikata-wm-f181b8c7f36c