Seiko Cal. 5630 - 492

Seiko 5630-492

This Spring Drive model from 1978 features a 35mm Titanium case. Powered by the 5630 caliber with 36j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-8c51f0885554]

Also known as: Turtle, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
35mm
Case Thickness
9.9mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Silver
Jewels
36j
Frequency
28,800 bph
Power Reserve
49 hours
Year
1978

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seikata-wm-8c51f0885554