Seiko Cal. 4488 - 631

This Hand-Winding model from 1993 features a 45mm PVD Black case. With its 21mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-778ba8086ba4]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1993

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