Seiko Cal. 6331 - 405

This Hand-Winding model from 1986 features a 36mm Two-Tone case. With its 22mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-7f98cf6149de]

Also known as: Tuna, Panda

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1986

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