Seiko Cal. 6331 - 151

This Solar model from 1981 features a 42mm Two-Tone case. It features a Green dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-ad7270d6e93d]

Also known as: Panda, Bullhead

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1981

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