Seiko Cal. 7156 - 399

The Seiko 7156-399 represents an important milestone in Seiko's 1999 lineup. With its 21mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-0cd22ab93ec7]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1999

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