Seiko Cal. 6310 - 554

The Seiko 6310-554 represents an important milestone in Seiko's 1974 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-e494f7c2488e]

Also known as: Samurai

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1974

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