Seiko Cal. 5691 - 312

Seiko 5691-312

The Seiko 5691-312 represents an important milestone in Seiko's 1976 lineup. It features a Green dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-2bf57aa82215]

Also known as: Sumo, Rally

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
10.1mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Green
Jewels
30j
Frequency
36,000 bph
Power Reserve
41 hours
Year
1976

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