Seiko Cal. 5645 - 216

Seiko 5645-216

This Quartz model from 1974 features a 46mm Hardlex-Coated Steel case. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-acb1f8d78dd5]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
10.1mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Blue Sunburst
Jewels
25j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1974

Related Models

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