Seiko Cal. 5630 - 864

Seiko 5630-864

The Seiko 5630-864 represents an important milestone in Seiko's 1973 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-0ab5733ef38e]

Also known as: Bullhead, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
37mm
Case Thickness
10.8mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
Black
Jewels
30j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1973

Related Models

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