Seiko Cal. 6231 - 715

The Seiko 6231-715 represents an important milestone in Seiko's 1969 lineup. It features a Green dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-d731aeedd064]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1969

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