Seiko Cal. 0721 - 345

Seiko 0721-345

This Solar model from 1977 features a 36mm Two-Tone case. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-98be22b9e806]

Also known as: Monster, Tuna

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
36mm
Case Thickness
12.8mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
70m
Dial Color
Blue Sunburst
Jewels
23j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1977

Related Models

seikata-wm-98be22b9e806