Seiko Cal. 5251 - 331

Seiko 5251-331

The Seiko 5251-331 represents an important milestone in Seiko's 1978 lineup. It features a Green dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-d64cdb2ecdef]

Also known as: Panda, Sportsmatic

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
9.9mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Green
Jewels
33j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1978

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