Seiko Cal. 6311 - 630

The 6311-630 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-f8c7d2ff2fc6]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1996

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