Seiko Cal. 6331 - 228

This Solar model from 1986 features a 36mm PVD Black case. With its 22mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-f28cb294db18]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1986

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