Seiko Cal. 4436 - 551

Seiko 4436-551

This Automatic model from 1973 features a 36mm Two-Tone case. With its 18mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-a94616f7ed6a]

Also known as: Sportsmatic, Crown

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
36mm
Case Thickness
11.6mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Green
Jewels
28j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1973

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seikata-wm-a94616f7ed6a