Seiko Cal. 5630 - 238

This Spring Drive model from 1994 features a 40mm Gold-Plated case. With its 18mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-433f051812a8]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1994

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