Seiko Cal. 6333 - 307

The Seiko 6333-307 represents an important milestone in Seiko's 1971 lineup. It features a Navy dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-ca5cd39f6d10]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1971

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