Seiko Cal. 6121 - 645

Seiko 6121-645

This Hand-Winding model from 1972 features a 40mm Hardlex-Coated Steel case. With its 21mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-9a33eba3b99a]

Also known as: Tuna, Crown

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
15.5mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Green
Jewels
27j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1972

Related Models

seikata-wm-9a33eba3b99a