Seiko Cal. 6291 - 357

The Seiko 6291-357 represents an important milestone in Seiko's 1966 lineup. With its 21mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-e674bf86ccf9]

Also known as: Tuna, World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Burgundy

Jewels

23j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1966

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