Seiko Cal. 0731 - 625

Released in 1975, the Cal. 0731 with design code 625 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-af4606fe77e7]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1975

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