Seiko Cal. 6361 - 496

This Spring Drive model from 1978 features a 40mm Hardlex-Coated Steel case. With its 21mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-8975d01c5c6a]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1978

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