Seiko Cal. 6131 - 785

Released in 1968, the Cal. 6131 with design code 785 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-98c117d5dc02]

Also known as: Rally, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1968

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