Seiko Cal. 7121 - 290

Seiko 7121-290

This Automatic model from 1978 features a 46mm Titanium case. Powered by the 7121 caliber with 25j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-5a53caa28f2d]

Also known as: Monster, Baby Tuna

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
46mm
Case Thickness
13.0mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
100m
Dial Color
White
Jewels
25j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1978

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