Seiko Cal. 6657 - 374

The 6657-374 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-7e957c3a9b66]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1992

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