Seiko Cal. 5231 - 670

The Seiko 5231-670 represents an important milestone in Seiko's 1976 lineup. It features a Green dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-4a22c4017b48]

Also known as: Rally

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1976

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