Seiko Cal. 5646 - 668

Seiko 5646-668

This Hand-Winding model from 1974 features a 44mm PVD Black case. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-5e36db7a7904]

Also known as: World Timer, Navigator

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
44mm
Case Thickness
11.0mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Navy
Jewels
34j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1974

Related Models

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