Seiko Cal. 7140 - 598

Released in 1969, the Cal. 7140 with design code 598 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-62cbd8d9b2e9]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1969

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