Seiko Cal. 6331 - 256

The 6331-256 is a sought-after Solar piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-6ae387672e03]

Also known as: Crown, Golden Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1987

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