Seiko Cal. 7038 - 646

The Seiko 7038-646 represents an important milestone in Seiko's 1981 lineup. With its 18mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-5961a17445c2]

Also known as: Sumo, UFO

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1981

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