Seiko Cal. 4548 - 633

Seiko 4548-633

This Hand-Winding model from 1971 features a 36mm Two-Tone case. With its 21mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-04c525c854f9]

Also known as: World Timer, Crown

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
36mm
Case Thickness
14.2mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Cream
Jewels
18j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1971

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seikata-wm-04c525c854f9