Seiko Cal. 6371 - 910

This Hand-Winding model from 1978 features a 45mm Two-Tone case. It features a Green dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-bb349f10cf87]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1978

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