Seiko Cal. 6378 - 236

Seiko 6378-236

This Hand-Winding model from 1965 features a 39mm Titanium case. With its 18mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-4d1ad7b5117d]

Also known as: Sumo, Bellmatic

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
39mm
Case Thickness
13.0mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Navy
Jewels
33j
Frequency
28,800 bph
Power Reserve
41 hours
Year
1965

Related Models

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