Seiko Cal. 7177 - 409

The 7177-409 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-8163a89b3d17]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1986

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