Seiko Cal. 6310 - 389

This Spring Drive model from 1974 features a 37mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-93a0aef79f51]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1974

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