Seiko Cal. 5687 - 242

Released in 1971, the Cal. 5687 with design code 242 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-0bf6dfa2d7ff]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1971

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