Seiko Cal. 5644 - 187

Seiko 5644-187

The 5644-187 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-255196f94fa7]

Also known as: Turtle

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
42mm
Case Thickness
12.4mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Burgundy
Jewels
32j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1969

Related Models

seikata-wm-255196f94fa7