Seiko Cal. 5621 - 977

Seiko 5621-977

The 5621-977 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-c6729ea78bc4]

Also known as: Turtle

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
36mm
Case Thickness
12.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Blue Sunburst
Jewels
25j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1979

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