Seiko Cal. 4542 - 403

Seiko 4542-403

The Seiko 4542-403 represents an important milestone in Seiko's 1978 lineup. Powered by the 4542 caliber with 21j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-53d17dda8e87]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
8.9mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Green
Jewels
21j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1978

Related Models

seikata-wm-53d17dda8e87