Seiko Cal. 6331 - 646

This Solar model from 1990 features a 46mm Two-Tone case. It features a Black dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-0bf9497f3aa1]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1990

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