Seiko Cal. 7181 - 408

The Seiko 7181-408 represents an important milestone in Seiko's 1972 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-6814ac03fd4f]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1972

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