Seiko Cal. 6615 - 431

This Spring Drive model from 1977 features a 37mm Gold-Plated case. It features a Champagne dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-f8800af7299d]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1977

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