Seiko Cal. 7137 - 800

Released in 1987, the Cal. 7137 with design code 800 was part of Seiko's domestic market collection. With its 20mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-ad6be003f8b6]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1987

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