Seiko Cal. 6310 - 401

The 6310-401 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-39b8d4ef2bb1]

Also known as: Crown, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1979

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