Seiko Cal. 5630 - 131

The Seiko 5630-131 represents an important milestone in Seiko's 1978 lineup. It features a White dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-b216001546f3]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1978

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