Seiko Cal. 5645 - 920

The 5645-920 is a sought-after Automatic piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-3b751146ed2c]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1997

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